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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 NON ‐ Healing | 1 | 60 | Odds Ratio (M‐H, Fixed, 95% CI) | 3.76 [1.04, 13.65] |
| 2 Headache | 1 | 60 | Odds Ratio (M‐H, Fixed, 95% CI) | 23.04 [1.26, 420.37] |
